SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems explained in the background art, the present application aims to provide an assembled bearing platform and a pressure-bearing type bag type uplift anchor rod.
In order to achieve the above object, the present application provides an assembled bearing platform and pressure-bearing type capsule uplift anchor rod, which includes a bearing platform, an anchor rod body, a first pressure-bearing member, a capsule and a second pressure-bearing member; the bearing platform comprises a bottom plate and side plates surrounding the periphery of the bottom plate, the bottom plate is connected with the side plates in an assembling mode, a plurality of connecting holes are formed in the bottom plate, and one end of the anchor rod body penetrates through the connecting holes and is connected with the bottom plate; the anchor rod body passes through the first pressure bearing part, the bag and the second pressure bearing part; the bag is connected with the anchor rod body in a sealing mode, the first pressure bearing piece is arranged in the bag, the second pressure bearing piece is arranged outside the bag, and the second pressure bearing piece is located between the bag and the bottom plate.
By the above, the anchor rod body penetrates through the bearing platform, the first bearing part and the second bearing part to form an anti-pulling and bearing integrated pile structure, so that the bearing performance of the anchor rod body is greatly enhanced, and the defect of weak bearing capacity of the existing bag type anchor rod pile is improved. Concrete grouting material cost in the sack is high, and the slip casting time is long, and the maintenance time of new grout is long, and this application sets up first bearing part in the bag, can reduce the concrete grouting volume of bag, reduces concrete grouting material's cost, can also shorten when the slip casting long with when the maintenance, reduce the time limit for a project, improve work efficiency. Simultaneously, the curb plate has improved the waterproof performance of assembled cushion cap with bottom plate surrounding all around.
Preferably, the connecting assembly comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece, the second connecting piece and the third connecting piece are arranged on the anchor rod body in a penetrating mode; the first connecting piece, the second connecting piece and the third connecting piece are respectively provided with a first vent hole, a second vent hole and a third vent hole which are communicated with each other, and the first vent hole, the second vent hole and the third vent hole are communicated with the bag.
Furthermore, a filter element is arranged between the first connecting piece and the third connecting piece.
Preferably, the bottom plate comprises a plurality of combination plates, the combination plates are assembled and connected with each other through a combination unit, and a sealing gasket is arranged at the joint between the combination plates.
Preferably, the first bearing member includes a precast concrete member, and an outer diameter of the first bearing member is reduced in a direction away from the base plate.
Preferably, a steel mesh is embedded in the first bearing part.
Preferably, the second bearing member comprises a plurality of high-strength reinforced concrete blocks, and the second bearing member is distributed along the axial direction of the anchor rod body.
Preferably, the anchor rod body is a hollow screw, and one end of the anchor rod body, which penetrates out of the bag and is far away from the bottom plate, is provided with a grouting hole.
Furthermore, the grouting hole is formed along the radial direction of the anchor rod body.
Preferably, a grouting pipe is included, which communicates with the bladder through the second pressure bearing member.
The beneficial effect of this application does:
1. the anchor rod body penetrates through the bearing platform, the first bearing part and the second bearing part to form an anti-pulling and bearing integrated pile structure, so that the bearing performance of the anchor rod body is greatly enhanced, and the defect that the existing bag type anchor rod pile is weak in bearing capacity is overcome;
2. the first pressure-bearing part is arranged in the bag, so that the concrete grouting amount of the bag can be reduced, the cost of the concrete grouting material is reduced, the grouting time and the maintenance time can be shortened, the construction period is shortened, and the working efficiency is improved;
3. the side plates surround the periphery of the bottom plate and expose the terrace for a certain height to form an elevator motor-pumped well, so that the waterproof performance of the assembled bearing platform is improved.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Firstly, an assembled bearing platform and a pressure-bearing type bag type uplift anchor rod are provided, and fig. 1 is a schematic partial half-section structure in an embodiment of the utility model; FIG. 2 is a schematic view of a partial half-section in one embodiment of the present application; FIG. 3 is a schematic perspective view of a platform according to an embodiment of the present disclosure; FIG. 4 is a schematic perspective view of a fabricated platform according to an embodiment of the present disclosure; FIG. 5 is an enlarged view of a portion of FIG. 2 at A; FIG. 6 is a schematic view of a partial half-section structure according to an embodiment of the present application.
Referring to fig. 1 to 6, an assembled bearing platform and pressure-bearing type capsule type uplift anchor rod comprises a bearing platform 1, an anchor rod body 2, a first pressure-bearing member 3, a capsule 4 and a second pressure-bearing member 5; the bearing platform 1 comprises a bottom plate 11 and side plates 12 surrounding the bottom plate 11, the bottom plate 11 is connected with the side plates 12 in an assembling mode, the bottom plate 11 is provided with a plurality of connecting holes 111, and one end of an anchor rod body 2 penetrates through the connecting holes 111 and is connected with the bottom plate 11; the anchor rod body 2 passes through the first pressure bearing part 3, the sac 4 and the second pressure bearing part 5; the bag 4 is connected with the anchor rod body 2 in a sealing way, the first pressure bearing part 3 is arranged in the bag 4, the second pressure bearing part 5 is arranged outside the bag 4, and the second pressure bearing part 5 is positioned between the bag 4 and the bottom plate 11.
By the above, the anchor rod body 2 penetrates through the bearing platform 1, the first bearing part 3 and the second bearing part 5 to form an anti-pulling and bearing integrated pile structure, so that the bearing performance of the anchor rod body 2 is greatly enhanced, and the defect of weak bearing capacity of the existing bag type anchor rod pile is improved. The concrete grouting material cost in the bag 4 is high, and the slip casting time is long, and the maintenance time of new grout is long, and this embodiment sets up first bearing part 3 in bag 4, can reduce the concrete grouting volume of bag 4, reduces the cost of concrete grouting material, and it is long when and the maintenance time to also shorten the slip casting, reduces the time limit for a project, improves work efficiency. Meanwhile, the side plates 12 surround the periphery of the bottom plate 11, and expose the terrace to a certain height to form an elevator shaft, so that the waterproof performance of the assembly type bearing platform 1 is improved.
During construction, firstly, a proper position is selected according to geological conditions, mechanical hole drilling is carried out through a guide hole, the position of a drill hole 6 corresponds to the position of a connecting hole 111 of the bearing platform 1, and the depth of the drill hole 6 is designed according to the geological conditions; then, the bottom of the drill hole 6 is flushed and expanded by using a high-pressure rotary spraying technology, and the bottom of the drill hole 6 is expanded into an oval cavity 7; then, the anchor rod body 2, the first pressure bearing piece 3, the bladder 4 and the second pressure bearing piece 5 are assembled and connected, and are placed into the drill hole 6; then, concrete grouting is carried out in the bag 4 through grouting equipment, along with the injection of concrete slurry, the bag 4 expands to a preset shape gradually, so that the bag 4 expands to fill the oval cavity 7, and the verticality of the anchor rod bodies 2 correspondingly connected with the connecting holes 111 is consistent; backfilling the foundation pit and leveling by using a concrete cushion layer after the concrete in the bag 4 reaches the curing strength; and finally, penetrating the anchor rod body 2 into the corresponding connecting hole 111, connecting the anchor rod body 2 with the bearing platform 1, performing prestress tensioning on the anchor rod, and locking the anchor rod by using a locking nut.
In an exemplary embodiment, the material of the bladder 4 in this embodiment may be a high elastic geotextile.
In the exemplary embodiment, this embodiment can be applied to and install the elevator scene additional, can set up in the assembled cushion cap 1 and correspond welded embedded iron with elevator frame base, welded fastening when convenient follow-up elevator installation.
In an exemplary embodiment, the anchor rod body 2 may be a screw rod, facilitating the connection of the anchor rod body 2 with the bearing platform 1, the first bearing member 3 and the second bearing member 5.
In an exemplary embodiment, the base plate 11 is provided with a sleeve 112 at the connection hole 111, and the sleeve 112 is connected to the anchor rod body 2 such that the base plate 11 is integrally connected to the anchor rod body 2.
In the exemplary embodiment, including the connecting assembly 8, the connecting assembly 8 includes a first connector 81, a second connector 82 and a third connector 83 passing through the anchor rod body 2, the first connector 81 is located outside the capsular bag 4, the second connector 82 is located inside the capsular bag 4, the third connector 83 is located between the first connector 81 and the second connector 82, and the third connector 83 is connected with the capsular bag 4; the first connecting member 81, the second connecting member 82 and the third connecting member 83 are respectively provided with a first vent hole 811, a second vent hole 821 and a third vent hole 831 which are communicated with each other, and the first vent hole 811, the second vent hole 821 and the third vent hole 831 are communicated with the pocket bag 4. Therefore, the first connecting member 81 and the second connecting member 82 compress the third connecting member 83 and other members (such as the filter member 84 and the gasket 85), so that the reliability of connection is improved, and the first exhaust hole 811, the second exhaust hole 821 and the third exhaust hole 831 are arranged so that the present embodiment does not need to provide a separate exhaust pipe or exhaust valve for exhaust.
Illustratively, the first connector 81, the second connector 82 and the third connector 83 may be flange connectors, and specifically, the first connector 81 may be an upper flange, the second connector 82 may be a lower flange, and the third connector 83 may be an airbag flange. The first connector 81 has a first air vent hole 811 densely distributed therein. The second connection member 82 may be a flange ring having an annular hollow portion therein, forming a third exhaust hole 831.
Illustratively, a filter element 84 is disposed between the first connector 81 and the third connector 83, and the filter element 84 may be a geotextile filter cloth to prevent the grouting slurry from leaking from the first vent hole 811.
Illustratively, a gasket 85 may be further disposed between the first connecting member 81 and the third connecting member 83, and the gasket 85 is annular, so that the gasket 85 not only improves the sealing performance between the first connecting member 81 and the third connecting member 83, but also the annular space of the gasket 85 may be an exhaust gap between the first exhaust hole 811 and the third exhaust hole 831, thereby increasing the exhaust performance of the bladder 4 and indirectly improving the grouting speed.
Illustratively, a wire screen 86 may be further disposed between the gasket 85 and the third connecting member 83, and the wire screen 86 may be installed in a step of the gasket 85 to prevent large particles in the concrete slurry from blocking the filter 84 and the first exhaust hole 811.
Illustratively, the third connecting member 83 is an annular flange, a nut can be welded at the bottom or in the inner hole, the end thread of the grouting pipe 9 can be screwed into the nut, and the grouting pipe 9 can be removed after grouting is finished, so that the grouting pipe is convenient to recycle.
In an exemplary embodiment, the bottom plate 11 includes a plurality of composite plates 113, the composite plates 113 are assembled and connected to each other by a packing member 114, and a sealing gasket is disposed at a connection between the composite plates 113. Referring to fig. 3, the assembly 114 may be a plate-shaped assembly 114. For example, before the assembly 114 is assembled and spliced, an adhesive may be applied to the joint between the composite boards 113, and a rubber seal may be applied to prevent water from leaking at the joint between the composite boards 113. The floor 11 is provided in the form of a plurality of assemblable plates 113 to facilitate the movement and transportation of the floor 11. In other embodiments, the side panels 12 may also be a unitary ring beam structure.
Referring to fig. 4, in order to further ensure the sealing performance, the inner sides of the joint close surfaces of two adjacent combination plates 113 are respectively provided with an embedded nut and a bolt hole corresponding to the positions, and the combination plates 113 may further be provided with a pit groove, which is convenient for screwing the bolt and the nut to tightly connect the adjacent combination plates 113, so that the combination member 114 may be a bolt.
Illustratively, the bottom plate 11 may also extend around to increase the bearing area. And a plurality of conical bosses can be arranged on the bottom surface of the bottom plate 11 and embedded into the concrete cushion layer, so that the bearing platform 1 can be fixed and positioned conveniently.
In the exemplary embodiment, the first bearing member 3 comprises a precast concrete member, and the outer diameter of the first bearing member 3 is reduced in a direction away from the bottom plate 11. In this way, for example, the first bearing member 3 may have an inverted cone structure, which enhances the anti-pulling performance of the anchor rod body 2 and the adhesive force of the post-grouting concrete. The first pressure bearing member 3 is a precast concrete member, and is disposed in the pocket 4, and the newly injected concrete grout in the pocket 4 is combined with the first pressure bearing member 3 to form a whole. From this, can reduce the concrete grouting volume of bag 4, reduce the cost of concrete grouting material, can also shorten the length of time and the maintenance of slip casting, reduce the time limit for a project, improve work efficiency.
In an exemplary embodiment, a steel mesh is embedded in the first bearing member 3. Therefore, the strength and the bearing capacity of the first bearing part 3 are enhanced, and the bearing performance of the anchor rod body 2 is further enhanced.
In the exemplary embodiment, the second bearing member 5 comprises a plurality of high strength reinforced concrete blocks, the second bearing member 5 being distributed along the axial direction of the anchor rod body 2. Therefore, the second bearing part 5 is convenient to move and transport, and the building blocks are overlapped and combined to prop against the bottom surface of the bearing platform 1 from bottom to top so as to strengthen bearing.
In the exemplary embodiment, the anchor rod 2 is a hollow screw, and the end of the anchor rod 2 that extends out of the bladder 4 and away from the base plate 11 is provided with a grouting hole 21. In particular, the distance between the grout hole 21 and the end of the anchor rod 2 remote from the base plate 11 may be 10-15 cm. Therefore, slurry is injected to the bottom surface of the bearing platform 1 from bottom to top, and the expansion mortar fills the gap below the compact bearing platform 1, including the gaps between the cavity walls of the bag 4 and the oval cavity 7, and between the bearing platform 1 and the bag 4 and the cushion layer, so that the bearing performance is enhanced, and the surrounding soil body is squeezed and expanded to be more compact while the gap below the bearing platform 1 is filled, and the bearing performance is further enhanced.
Further, the grouting holes 21 are formed in the radial direction of the anchor rod body 2, thereby facilitating the discharge of slurry. Specifically, the grouting holes 21 may be flared holes, small inside and large outside, and sponge plug glue is provided at the grouting holes to prevent soil from entering.
When the anchor rod body 2 is a hollow screw, in order to prevent sundries from entering from the bottom end of the hollow screw, the bottom end of the hollow screw can be provided with a blank plate to seal the bottom end of the hollow screw.
Illustratively, the present embodiment further includes a grouting pipe 9, and the grouting pipe 9 communicates with the bladder 4 through the second pressure bearing member 5. Therefore, the grouting is simply and conveniently carried out on the bag 4 through the grouting pipe 9.
Referring to fig. 6, in an embodiment of the present application, the anchor rod body 2 may also be a solid rod body, so as to facilitate filling of slurry into gaps between the cavity walls of the bag 4 and the oval cavity 7, the cushion cap 1, the bag 4 and the cushion layer from bottom to top, an embedded grouting pipe may be disposed in the first pressure-bearing member 3, the upper end of the embedded grouting pipe is inserted into the first connecting member 81, the lower end of the embedded grouting pipe extends out of the bag 4, and correspondingly, the second pressure-bearing member 5 is further provided with a through hole for inserting the grouting pipe 9 so as to enable the grouting pipe 9 to be in butt joint with the embedded grouting pipe.
Therefore, after grouting in the bag 4 is finished, the grouting pipe 9 is screwed out, then the grouting pipe 9 is inserted into the through hole in the second pressure-bearing part 5, and the grouting pipe 9 is in butt joint with the embedded grouting pipe, so that when grouting is performed again, slurry can flow out from the bottom of the embedded grouting pipe and fill gaps between the bag 4 and the cavity wall of the oval cavity 7, the bearing platform 1, the bag 4 and the cushion layer from bottom to top; and after the filling is finished, screwing out the grouting pipe 9, wherein the grouting pipe 9 can be recycled.
Because the butt joint of the grouting pipe 9 and the embedded grouting pipe belongs to the operation below the ground, the butt joint is not easy to be directly observed, and the butt joint is convenient, specifically, the first connecting piece 81 can be an upper flange, a funnel hole is formed in the upper flange, and a conical threaded hole is processed in the funnel hole, so that a guiding effect is provided for the insertion and butt joint of the grouting pipe 9; and, the funnel hole department can also set up the film, prevents to go into in the in-process embedded pipe entering debris, when slip casting pipe 9 inserts funnel hole and embedded slip casting pipe butt joint, the film can be broken by stabbing.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.